Question

Which is an example of a covalent bond?

a. Ions in a bar of pure iron are surrounded by a large number of valence electrons.
b. There are less than 16 valence electrons in two chlorine atoms, but they form a stable bond.
c. Chlorine accepts an electron from calcium to form a stable bond.
d. Sodium gives an electron to chlorine to form a stable bond.

Answer 1

An example of a covalent bond would be illustrated in option B. There are less than 16 valence electrons in 2 chlorine atoms, but they form a stable bond.